Home / 20,287,059.90-27,999,013.59-12,554,593.26

Finding the Fourth Proportional to 20,287,059.90, 27,999,013.59 and 12,554,593.26

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Solution

The fourth proportional to 20,287,059.90, 27,999,013.59 and 12,554,593.26 is: 17,327,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,059.90 : 27,999,013.59 = 12,554,593.26 : x
  2. Step 2: Convert to fraction form
    20,287,059.90/27,999,013.59 = 12,554,593.26/x
  3. Step 3: Cross multiply
    20,287,059.90x = 27,999,013.59 × 12,554,593.26
  4. Step 4: Simplify right side
    20,287,059.90x = 351,516,227,303,662.38
  5. Step 5: Solve for x
    x = 351,516,227,303,662.38/20,287,059.90
  6. Step 6: Final answer
    x = 17,327,115.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.